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Erratum |
1 University of Utah Seismograph
Stations
Department of Geology and Geophysics
135 S. 1460 E., Room 705
WBB
Salt Lake City, Utah 84112-0111
The values of
3 listed in table 1 of Pankow and
Pechmann (2004) are too large by
a factor of
2 because they were calculated using equation (3) of Boore
et al. (1993), which has
an error in it as reported by Boore
(2005) and Spudich and Boore
(2005). The
3 for the peak ground velocity (PGV) should be
changed from 0.106 to 0.075. The rest of the
3 values
are originally from table 2 of Spudich et al.
(1999), and their corrections are
discussed in Spudich and Boore
(2005). The
3 values are needed for calculating the standard
deviation of the ground-motion prediction for a randomly oriented horizontal
component. The results for the horizontal-component geometric mean are
unaffected by the error.
Manuscript received September 1, 2005
| References |
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Boore, D. M. (2005). Erratum: Equations for estimating horizontal response spectra and peak acceleration from western North American earthquakes: a summary of recent work, Seism. Res. Lett.76 ,368 369.
Boore, D. M., W. B. Joyner, and T. E. Fumal (1993). Estimation of response spectra and peak accelerations from western North American earthquakes: an interim report, U.S. Geol. Surv. Open-File Rept. 93-509, 72 pp.
Pankow, K. L., and J. C. Pechmann (2004). The SEA99
ground-motion predictive relations for extensional tectonic regimes: revisions
and a new peak ground velocity relation, Bull. Seism. Soc.
Am. 94,341
348.
Spudich, P., and D. M. Boore (2005). Erratum: SEA99: a
revised ground- motion prediction relation for use in extensional tectonic
regimes, Bull. Seism. Soc. Am.95
,1209
.
Spudich, P., W. B. Joyner, A. G. Lindh, D. M. Boore, B. M. Margaris, and J. B. Fletcher
(1999). SEA99: a revised ground motion prediction relation for use
in extensional tectonic regimes, Bull. Seism. Soc. Am.89
,1156
1170.
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